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Finding the Fourth Proportional to 342,697.88, 472,923.01 and 191,794.88

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Solution

The fourth proportional to 342,697.88, 472,923.01 and 191,794.88 is: 264,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,697.88 : 472,923.01 = 191,794.88 : x
  2. Step 2: Convert to fraction form
    342,697.88/472,923.01 = 191,794.88/x
  3. Step 3: Cross multiply
    342,697.88x = 472,923.01 × 191,794.88
  4. Step 4: Simplify right side
    342,697.88x = 90,704,211,952.19
  5. Step 5: Solve for x
    x = 90,704,211,952.19/342,697.88
  6. Step 6: Final answer
    x = 264,676.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.